Vulnerability identifier: #VU31203

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-17207

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SnapCreek Duplicator
Web applications / Modules and components for CMS

Vendor: SnapCreek

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

An issue was discovered in Snap Creek Duplicator before 1.2.42. By accessing leftover installer files (installer.php and installer-backup.php), an attacker can inject PHP code into wp-config.php during the database setup step, achieving arbitrary code execution.

Mitigation
Install update from vendor's website.

Vulnerable software versions

SnapCreek Duplicator: 1.2.0 - 1.2.40

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External links
http://snapcreek.com/duplicator/docs/changelog/?lite
http://www.synacktiv.com/ressources/advisories/WordPress_Duplicator-1.2.40-RCE.pdf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.